Capacity: 350ml/12oz

Size/weight: 5.7/7×12.7×11.9cm/219g

Carton: 65×48×29cm/0.090m³

QTY: 50pcs 

N.W./G.W.: 11.0/12.5kgs

The custom mini 350ml insulated stainless steel Red Wine Mug merges practicality with aesthetic versatility. With a metal handle and double-wall insulation, this compact wine Tumbler is tailored for office use, corporate gifting, and specialized events.

The demand for personalized, high-quality beverage containers has risen significantly in B2B markets. Companies increasingly seek compact mugs that provide consistent thermal performance while supporting branding through customizable surfaces. This article explores the core technologies, structural design, material selection, performance factors, supply chain considerations, common questions, and industry use cases for the custom 350ml insulated wine mug.

Core Concepts and Key Technologies

Double-Wall Vacuum Insulation

The defining feature of this 350ml mug is its double-wall vacuum insulation. This technique prevents heat transfer through:

Conduction – The vacuum cavity eliminates direct thermal contact between the inner and outer walls.

Convection – Air movement inside the cavity is minimal, reducing heat exchange.

Radiation – Polished stainless steel surfaces reflect thermal radiation, maintaining beverage temperature.

Practical results for office use:

Hot beverages (coffee, tea, or heated wine) remain warm for approximately 2–3 hours.

Cold beverages (white wine or chilled cocktails) stay cool for up to 4–6 hours.

This ensures employees can enjoy beverages at their desired temperature during work hours without frequent reheating or refrigeration.

Personalization Capabilities

For B2B applications, branding and personalization are central:

Laser engraving – Produces precise, long-lasting logos or names on the stainless steel surface.

UV printing – High-resolution full-color graphics, including gradients and complex designs.

Screen printing – Offers efficient multi-color branding for bulk orders.

Each personalization method preserves the vacuum integrity and thermal performance, allowing corporate clients to deliver functional yet branded products.

Product Structure, Materials, and Manufacturing Process

Structural Overview

The 350ml custom wine mug comprises several components:

Inner liner: Food-grade stainless steel (SUS 304 or 316) for beverage contact.

Outer shell: Stainless steel, powder-coated or polished for durability and aesthetic appeal.

Vacuum cavity: Essential for thermal insulation.

Base: Stabilized to prevent tipping and enhance usability.

Metal handle: Ergonomically designed for comfortable office use.

Optional lid: Enhances portability and spill resistance.

The combination of a stemless, mini design with a metal handle enhances both convenience and stability for workplace environments.

Material Selection

Stainless steel (SUS 304/316) – Resistant to corrosion, food-safe, and long-lasting.

Powder coating or polished finish – Prevents scratches, allows color customization, and improves grip.

Metal handle materials – Stainless steel or plated alloys for strength and comfort.

Optional lid materials – Silicone gaskets or thermoplastic elastomers provide airtight sealing.

Selecting high-grade materials ensures that the mug retains temperature, maintains appearance, and withstands daily use.

Manufacturing Process

Deep drawing: Produces consistent inner and outer shells.

Precision welding or bonding: Creates the vacuum cavity.

Vacuum evacuation and sealing: Ensures long-term insulation performance.

Surface finishing: Polishing, powder coating, or texturing.

Personalization: Laser engraving, UV printing, or screen printing.

Assembly: Handles, bases, and optional lids are added and quality-checked.

Strict quality control ensures that each batch meets thermal and aesthetic specifications.

Performance Characteristics and Quality Determinants

Thermal Efficiency

The double-wall vacuum system guarantees:

Hot beverage retention: 2–3 hours

Cold beverage retention: 4–6 hours

Performance depends on vacuum integrity, wall thickness, lid seal quality, and overall structural precision.

Ergonomics and Handling

Compact 350ml size fits standard office desks and cup holders.

Stemless design reduces tipping risk.

Metal handle improves grip and provides professional aesthetics.

Optional lid enables spill-resistant, portable use.

Durability

Food-grade stainless steel resists corrosion and long-term beverage exposure.

Powder-coated or polished finishes mitigate scratches and wear.

Metal handles sustain frequent handling without deformation.

Factors Affecting Quality and Performance

Vacuum cavity integrity: Leaks diminish insulation efficiency.

Material grade and wall thickness: Determines heat retention and durability.

Handle attachment: Poor welds reduce lifespan and safety.

Lid and gasket precision: Critical for temperature maintenance and spill prevention.

Personalization method: Must avoid damaging the vacuum seal.

Comprehensive testing for vacuum integrity, thermal performance, and personalization quality is essential for B2B reliability.

Supply Chain and Supplier Selection

Manufacturing Competence

Suppliers should demonstrate:

Expertise in vacuum-insulated stainless steel products.

Advanced surface finishing and personalization capabilities.

Certified quality management systems covering thermal testing, handle assembly, and batch consistency.

Regulatory Compliance

FDA or LFGB: Food contact safety.

REACH: Compliance for chemicals and heavy metals.

BPA-free and phthalate-free lids: Ensures workplace safety.

Customization and Scalability

B2B clients require:

Logo and branding customization.

Consistent quality in bulk orders.

Packaging tailored for corporate gifting or retail.

Reliable suppliers with scalable production are critical to meeting high-volume demands.

Common Questions (FAQ)

Is this mug suitable for hot beverages?

Yes, the vacuum-insulated walls maintain hot beverage temperature for 2–3 hours.

Does personalization affect insulation?

No, laser engraving, UV, or screen printing does not compromise vacuum integrity.

Is 350ml size practical for office use?

Yes, it is compact, portable, and compatible with standard cup holders.

How should it be cleaned?

Hand washing is preferred to protect the finish and personalization. Dishwasher-safe variants exist if specified.

Applications and Industry Use Cases

Office environments: Employees can enjoy coffee, tea, or hot wine at their desks.

Corporate gifting: Customized mugs for employees, clients, or event giveaways.

Hospitality and events: Hotels, resorts, or wineries can offer branded, insulated drinkware.

Home use: Compact mug for daily beverage enjoyment.

Personalization ensures differentiation and aligns with brand identity while providing practical beverage management.

Current Trends and Future Developments

Customization and Branding

Corporate buyers increasingly favor products that:

Reflect brand identity through color, logo, or design.

Use powder-coated finishes for durability and visual appeal.

Offer laser or UV printing for premium, long-lasting graphics.

Sustainability

Stainless steel mugs replace single-use cups, supporting eco-friendly practices.

Durable materials and high-quality coatings extend product life, reducing waste.

Functional Innovations

Spill-proof lids and ergonomic handles for portable and safe use.

Advanced surface textures for grip and visual differentiation.

Potential integration of smart temperature monitoring in future models.

Conclusion

The custom mini 350ml insulated stainless steel red wine mug combines compact office-friendly design, double-wall thermal insulation, and customizable branding capabilities. Suitable for corporate gifting, office use, hospitality, and home enjoyment, it ensures consistent beverage temperature while supporting personalization.

For B2B buyers, attention to stainless steel grade, vacuum quality, lid integrity, handle construction, and reliable suppliers is critical. With ongoing trends in sustainability, aesthetic personalization, and thermal performance optimization, these mini insulated wine mugs continue to hold strong relevance in professional and consumer markets.